@Experimental

Package org.apache.beam.sdk.io.gcp.spanner.changestreams.model

User models for the Spanner change stream API.

Interface Summary

Interface	Description
ChangeStreamRecord	Represents a Spanner Change Stream Record.

Class Summary

Class	Description
ChangeStreamRecordMetadata	Holds internal execution metrics / metadata for the processed ChangeStreamRecord.
ChangeStreamRecordMetadata.Builder
ChildPartition	A child partition represents a new partition that should be queried.
ChildPartitionsRecord	Represents a ChildPartitionsRecord.
ColumnType	Defines a column type from a Cloud Spanner table with the following information: column name, column type, flag indicating if column is primary key and column position in the table.
DataChangeRecord	A data change record encodes modifications to Cloud Spanner rows.
HeartbeatRecord	A heartbeat record serves as a notification that the change stream query has returned all changes for the partition less or equal to the record timestamp.
InitialPartition	Utility class to determine initial partition constants and methods.
Mod	Represents a modification in a table emitted within a DataChangeRecord.
PartitionMetadata	Model for the partition metadata database table used in the Connector.
PartitionMetadata.Builder	Partition metadata builder for better user experience.
TypeCode	Represents a type of a column within Cloud Spanner.

Enum Summary

Enum	Description
ModType	Represents the type of modification applied in the DataChangeRecord.
PartitionMetadata.State	The state at which a partition can be in the system: CREATED: the partition has been created, but no query has been done against it yet.
ValueCaptureType	Represents the capture type of a change stream.